Answer:
120 miles from border to border cause if we consider the mile zero then it depends what's the areal of a city
D.dilation changes the size is your answer. Hope this helps!
12.94%
Step-by-step explanation:
r = 100(1/2)^(d/5) = 100((1/2)^(1/5))^d ≈ 100(.87055)^d
The daily decrease is 1 - 0.87055 = 0.12944 ≈ 12.94%